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Wind Farm Performance

Here we look at the historical performance of selected wind farms. Use the Previous Farm and Next Farm buttons to select a wind farm, then decide whether to look at daily or monthly performance.

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Daily or monthly


From 01-Jan-2017 to 31-Aug-2022
Arecleoch
Type:Onshore
Start date:01/06/2011
Status:Operational
Capacity (MW):120
Turbines:60

The horizontal green line shows the load factor that the National Grid currently uses in its outlook for future generation for this wind farm.

The 12 month rolling average load factor for this wind farm is:

18% to 31-Aug-2022

The dotted red line shows the progress of the 12 month rolling average for this wind farm.

Using the 12 month rolling average eliminates seasonal bias when considering overall trends.

The data we use for these charts are the official generation data from the Elexon website. We also check Trading Data from the same site and cross-check with data on Renewable Obligations from the Ofgem website.

We usually aim to summarize on the basis of the most recent 5 years of data at least, although this is subject to availability and sometimes a shorter time period is used. We generally avoid any periods where data are unreliable due to issues with measuring or recording performance.

We do not necessarily make all older data available, as our emphasis is on recent and current trends and on supporing forecasting.